![[OMRON] — K8DT-TH Temperature Monitoring Relay (Thermocouple/Pt, 0~999°C, Relay/Transistor)](https://img.prosourcemro.com/2026/05/001-427-1024x768.png)
Monitoring Relays
Omron
[OMRON] — K8DT-TH Temperature Monitoring Relay (Thermocouple/Pt, 0~999°C, Relay/Transistor)
Family ID: OMRON-K8DT-TH
OMRON K8DT-TH Series temperature monitoring relay. Prevents heater overheating. Self-latching output for safe operation. K8DT-TH1: Thermocouple or Pt resistance thermometer, 1°C/°F steps, 0~999°C/°F. K8DT-TH2: Thermocouple only, 10°C/°F steps. Power supply: 24 VAC/DC or 100~240 VAC. Output: Relay SPDT or Transistor.
8 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| K8DT-TH1CD | K8DT-TH TH1 24 VAC/DC Relay SPDT | OMRON | Type: Temperature Monitoring Relay | Input Type: Thermocouple or Pt resistance thermometer | Setting Unit: 1°C or 1°F (0~999°C/°F) | Power Supply: 24 VAC/DC | Output: Relay SPDT | Feature: Self-latching output; heater overheating protection | ||
| K8DT-TH1TD | K8DT-TH TH1 24 VAC/DC Transistor | OMRON | Type: Temperature Monitoring Relay | Input Type: Thermocouple or Pt resistance thermometer | Setting Unit: 1°C or 1°F (0~999°C/°F) | Power Supply: 24 VAC/DC | Output: Transistor | Feature: Self-latching output; heater overheating protection | ||
| K8DT-TH1CA | K8DT-TH TH1 100~240 VAC Relay SPDT | OMRON | Type: Temperature Monitoring Relay | Input Type: Thermocouple or Pt resistance thermometer | Setting Unit: 1°C or 1°F (0~999°C/°F) | Power Supply: 100~240 VAC | Output: Relay SPDT | Feature: Self-latching output; heater overheating protection | ||
| K8DT-TH1TA | K8DT-TH TH1 100~240 VAC Transistor | OMRON | Type: Temperature Monitoring Relay | Input Type: Thermocouple or Pt resistance thermometer | Setting Unit: 1°C or 1°F (0~999°C/°F) | Power Supply: 100~240 VAC | Output: Transistor | Feature: Self-latching output; heater overheating protection | ||
| K8DT-TH2CD | K8DT-TH TH2 24 VAC/DC Relay SPDT | OMRON | Type: Temperature Monitoring Relay | Input Type: Thermocouple only | Setting Unit: 10°C or 10°F (see catalog for range) | Power Supply: 24 VAC/DC | Output: Relay SPDT | Feature: Self-latching output; heater overheating protection | ||
| K8DT-TH2TD | K8DT-TH TH2 24 VAC/DC Transistor | OMRON | Type: Temperature Monitoring Relay | Input Type: Thermocouple only | Setting Unit: 10°C or 10°F (see catalog for range) | Power Supply: 24 VAC/DC | Output: Transistor | Feature: Self-latching output; heater overheating protection | ||
| K8DT-TH2CA | K8DT-TH TH2 100~240 VAC Relay SPDT | OMRON | Type: Temperature Monitoring Relay | Input Type: Thermocouple only | Setting Unit: 10°C or 10°F (see catalog for range) | Power Supply: 100~240 VAC | Output: Relay SPDT | Feature: Self-latching output; heater overheating protection | ||
| K8DT-TH2TA | K8DT-TH TH2 100~240 VAC Transistor | OMRON | Type: Temperature Monitoring Relay | Input Type: Thermocouple only | Setting Unit: 10°C or 10°F (see catalog for range) | Power Supply: 100~240 VAC | Output: Transistor | Feature: Self-latching output; heater overheating protection |
